An implicit particle-in-cell method for granular materials

被引：54
作者：
Cummins, SJ [1 ]
Brackbill, JU [1 ]
机构：
[1] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA
来源：
JOURNAL OF COMPUTATIONAL PHYSICS | 2002年 / 180卷 / 02期
关键词：
granular flow; finite-difference methods; implicit methods; quadratic conserving; nonlinear stability; Newton-Krylov;
D O I：
10.1006/jcph.2002.7101
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
An implicit-in-time method for granular materials is described. The method combines the material point method, a first-order contact algorithm, and a Newton-Krylov equation solver to give improved energy conservation, stabilization of the finite-grid-instability, and the correct description of collisions between grains. (C) 2002 Elsevier Science (USA).
引用
收藏
页码：506 / 548
页数：43
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